Mounting structure



FIG. 1 is a first perspective view of an ornamental design for a mounting structure, according to the invention.

FIG. 2 is a front view of a mounting structure of FIG. 1.

FIG. 3 is a back view of a mounting structure of FIG. 1.

FIG. 4 is a left view of a mounting structure of FIG. 1.

FIG. 5 is a right view of a mounting structure of FIG. 1.

FIG. 6 is a top view of a mounting structure of FIG. 1; and,

FIG. 7 is a bottom view of a mounting structure of FIG. 1. 

CLAIM The ornamental design for a mounting structure, as shown and described. 